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READ MOREIn order to prevent oxidation of black alloy chopsticks and maintain their appearance, common surface treatment technologies include the following, among which the most suitable technologies for preventing oxidation are:
Electroplating
Electroplating is a technology that forms a protective film on the surface of chopsticks through electrolysis. Commonly used electroplating materials include metals such as chromium, nickel or titanium. The chromium plating layer can not only effectively prevent oxidation, but also improve the gloss of chopsticks, making the chopsticks look smoother and brighter. The electroplating layer can form a protective film to resist the erosion of air, moisture and acid and alkali, and extend the service life of chopsticks.
Anodizing
For aluminum alloy chopsticks, anodizing is a common anti-oxidation technology. Through electrolysis, the metal surface is converted into a hard and corrosion-resistant oxide film. This oxide film not only has extremely strong corrosion resistance, but also can increase the hardness, wear resistance and scratch resistance of chopsticks. In addition, anodizing can also provide a variety of color options to increase the aesthetics of chopsticks.
PVD (Physical Vapor Deposition) Coating
PVD coating technology deposits metal or ceramic materials on the surface of chopsticks in a vapor phase to form an extremely thin metal film. This coating is very hard and has excellent anti-oxidation and scratch resistance. PVD coating not only prevents oxidation, but also gives chopsticks a metallic luster and enhances their appearance and texture.
Nano coating
Nano coating technology is to enhance its anti-oxidation ability by forming an extremely thin nano-scale coating on the surface of chopsticks. Nano coating not only improves the corrosion resistance of alloy chopsticks, but also makes the surface smoother, reduces bacterial adhesion, and does not affect its appearance and feel. This coating usually has good anti-fouling and anti-fingerprint properties.
Stainless steel surface treatment
If the black alloy chopsticks are made of stainless steel, their anti-oxidation properties can be enhanced by high-temperature passivation treatment. Passivation treatment can form a passivation film on the surface of stainless steel, effectively prevent oxidation, extend the service life of chopsticks and keep their surface bright.
The suitable technology to prevent oxidation and maintain appearance:
Electroplating and PVD coating are the commonly used treatments to prevent oxidation and maintain the appearance of black alloy chopsticks. Not only do they form a strong protective layer to prevent oxidation, they also give the chopsticks a high gloss and modern look.
For a more high-end and durable option, PVD coatings are often the best choice due to their scratch and corrosion resistance, especially when pursuing high quality and long-lasting beauty.